Pith Number

pith:55P2FC7R

pith:2009:55P2FC7R53IUZEEGSK7QEP325W

not attested not anchored not stored refs pending

The rapidly pulsating sdO star, SDSS J160043.6+074802.9

A.E.Lynas-Gray, A. Moya, B. Oruru, C. Koen, C. Rodr\'iguez-L\'opez, D.J. Wium, D. Kilkenny, E.Zietsman, J. MacDonald, P.A. Woudt

arxiv:0909.0930 v1 · 2009-09-04 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55P2FC7R53IUZEEGSK7QEP325W}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:11:59.647351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef5fa28bf1eed14c908692bf023f7aed97838170bb33f1bbac9a8e4a030d26d9

Aliases

arxiv: 0909.0930 · arxiv_version: 0909.0930v1 · doi: 10.48550/arxiv.0909.0930 · pith_short_12: 55P2FC7R53IU · pith_short_16: 55P2FC7R53IUZEEG · pith_short_8: 55P2FC7R

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/55P2FC7R53IUZEEGSK7QEP325W \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ef5fa28bf1eed14c908692bf023f7aed97838170bb33f1bbac9a8e4a030d26d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80cb83664f42ed49a5ac44ad36062704235943ca0ad2d4a64b97309d25bf2897",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-04T18:00:51Z",
    "title_canon_sha256": "bd54c1cede9a66e18efd1075ddbb0ab59a938c7be9a217e656001260b50b2cc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0930",
    "kind": "arxiv",
    "version": 1
  }
}